Home / 146,457.36-202,110-82,807.68

Finding the Fourth Proportional to 146,457.36, 202,110 and 82,807.68

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Solution

The fourth proportional to 146,457.36, 202,110 and 82,807.68 is: 114,273.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,457.36 : 202,110 = 82,807.68 : x
  2. Step 2: Convert to fraction form
    146,457.36/202,110 = 82,807.68/x
  3. Step 3: Cross multiply
    146,457.36x = 202,110 × 82,807.68
  4. Step 4: Simplify right side
    146,457.36x = 16,736,260,204.80
  5. Step 5: Solve for x
    x = 16,736,260,204.80/146,457.36
  6. Step 6: Final answer
    x = 114,273.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.